It points to a story in USA Today that may be of interest - Your home's odor may be making you sick. It is about the work on Joan Bennett and researchers from Rutgers and Emory. I don't have time to dig into it right now but perhaps others do.

UPDATE 5 minutes later
Oops - posted to the wrong blog. First time I have done this. This was supposed to go to microBEnet. I have posted it there now.